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Cost of Inkjet Printing Report Canon PRO-300

How much does it cost to print with the Canon PRO-300?

This report is the from a series covering the costs of desktop inkjet printing. Read the Summary Page.

This report addresses concerns and arguments about the true cost of ink in desktop photo printing. Using the Canon PRO-300, we conducted a series of print tests to determine how much ink is used in a full coverage 8”x10” print. From that figure, we extrapolated ink usage per square inch. The objective is to share a realistic cost-per-print-vision with inkjet users. The choice to pursue photo inkjet printing is in the end an individual economic choice. 

This chart shows the cost of ink used in making prints:

Cost of Printing Per Page Chart

Printer4x65x78x1011x1413x19
Pro-300 Luster$0.24$0.35$0.81$1.57$2.52
Pro-300 Matte$0.21$0.29$0.69$1.29$2.08

Calculated using $12.99 per ink cartridge. Updated Jan 2021.

Testing Methods

Preface

The “true cost of inkjet printing” is a source of constant debate in the media and on web forums. With claims of ink costing five to ten thousand dollars per gallon, it’s not a mystery why the debate continues. Still, inkjet printer sales and printing continue to increase, and studies indicate this trend will continue in the short and mid-term. Do the majority of end users simply not care about the cost or do they know something that is missing from the discussion? This report looks at the cost of ink per square inch for the Canon PRO-300. The goal is to determine the cost for various popular print sizes, and to report those numbers. Further, we hope to spark more discussion and debate about the merits of inkjet printing in light of its unique ability to offer on-demand continuous tone photo reproductions that will last many decades.

Methodology

Two hundred 8x10 prints of Bill Atkinson’s printer test were made. The montage of photos in Atkinson’s image provided around 95% coverage, used a wide variety of colors, and presented what amounts to a worst-case scenario of ink usage. A pre-primed printer was loaded with new and previously unopened ink cartridges. The image was resized to 8” x 10” at 300ppi.

Prints were made using the High Quality setting within a color- managed workflow. Inks were changed only when the printer stopped and indicated an empty tank. At the 200th print, a count was made of ink cartridges used plus an estimate of remaining ink cartridges. From that information, total use of ink in equivalent number of ink cartridges used was obtained. The ink usage was equated to amount per square inch and then converted to specific photo sizes.

Ink cartridge use calculations

New cartridges were installed at the beginning of the test. At the end of printing:

  • Number of cartridges replaced (including the starting cartridge) was tallied
  • Remaining cartridges were evaluated for amount remaining and thus volume used

For final ink estimates, a screen capture was made of the Canon Status Monitor, which shows a display of ink cartridge status. From the screen grab, a graph breaking the ink level into 10% increments was used to make an estimate of ink remaining. It was assumed that the Status Monitor display offered an acceptably accurate account of how much ink was in the cartridges. From previous experience we observed the printer quitting immediately or just after a cartridge displayed "dry". That proved helpful in making estimates of ink left per cartridge. (See end section for all screen grabs)

For the purpose of this experiment, the question of how much ink is left in an "empty cartridge" is moot. If the printer quits then effectively the cartridge has run dry. The final results focus on actual yields, not questions of lost milliliters in spent cartridges.

Cartridge Equivalent Usage

In order to quantify the total amount of ink used for 200 prints, the number of tanks replaced must be added to the amount of ink remaining in the printer. To describe that number, we created the Cartridge Equivalent Usage measure (herein CEU).

To depict the ink used in the remaining cartridges, a chart was created using the graph mentioned above. From that graph the amount of ink used in each remaining cartridge was recorded in percent terms. The percentage for each tank was added, then divided by 100 to provide the CEU of the remaining ink cartridges.

Cartridge Equivalent Usage has two parts:

  1. The number of tanks used and replaced
  2. The amount of ink left in the remaining tanks

The CEU of the remaining tanks was added to the number of cartridges physically changed. This number was the total CEU for the 200 prints. Dividing the total CEU by 200 gave the CEU per 8” x 10” print.

Equation for CEU

Sum of the % used for remaining tanks / 100 = CEU of remaining tanks
CEU remaining + Cartridges changed / 200 = CEU of 8x10 print
CEU of 8x10 print / 80 square inches = CEU per Square Inch

Summary

The cartridge usage is listed below:

Printer8x10 PrintsCEUCartridges / Square Inch Usage
Canon PRO-300 Luster20012.580.00078625
Canon PRO-300 Matte20010.360.0006475

Costs in Dollars

Using the CEU figures, we’ve extrapolated the cost of ink by print size (roughly 95% coverage)

Printer4x65x78x1011x1413x19
Pro-300 Luster$0.24$0.35$0.81$1.57$2.52
Pro-300 Matte$0.21$0.29$0.69$1.29$2.08

Luster and Matte refer to the media setting used when printing the test. 

Equation: (Cartridge per Square Inch) x (Square Inches) x (Cost of one ink cartridge) = Ink Cost Per Print

Our calculations are based on the current market price for the Canon PRO-300 ink.

Sources of Error

We acknowledge that there are potential errors in testing and calculations. They are listed below:

  • Inaccuracy of the remaining cartridge usage figures – The accuracy of the Canon Status Monitor could be called into question. From observations during the printing phase however, the display was consistent in its changes downward. Also, the printer stops immediately or very soon after the display shows no ink.
  • “Real world” variables – The types of images printed can make a difference in the overall ink usage. Also, how often a printer is used will change ink usage slightly. Long periods of being left on, automatic cleaning, and manual cleaning cycles all play a role in overall ink usage.

Given possible sources of error, it is fair to attach a margin of error of +/- 10% to our results.


More Canon PRO-300 Links

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Find PFI-300 Ink Cartridges for the Canon PRO-300


PRINTER TEST DETAILS - Canon PRO-300 Luster

Image test file: Bill Atkinson. 300 ppi TIFF

Settings: Photo Paper Pro Luster /  Quality High 

Paper used: Luster photo paper

Print stats: 8” x 10” @ 300ppi

Replacement Log      
Tank replaced during printing? Used at end of printing Totals %
Yellow Yes x 1 = 100% 38% 138%
Photo Magenta Yes x 1 = 100% 8% 108%
Red No 92% 92%
Chroma Optimizer Yes x 2= 200% 28% 228%
Magenta No 78% 78%
Matte Black No 28% 28%
Photo Black Yes x 2 = 200% 8% 208%
Gray Yes x 2 = 200% 28% 228%
Cyan No 70% 70%
Photo Cyan No 80% 80%
1258%

TOTAL 1258 or the equivalent of 12.58 Canon PRO-300 ink cartridges for 200 prints 8x10 prints.

Discussion - You will notice Matte Black ink usage at almost 30% over the course of the test.  Since we know matte black is not used when printing on reflective papers, we attribute the usage to automatic head cleaning cycles that affect all ink channels.

PRINTER TEST DETAILS - Canon PRO-300 Matte

Image test file: Bill Atkinson. 300 ppi TIFF

Settings: Photo Paper Pro Luster /  Quality High / 

Paper used: Matte photo paper

Print stats: 8” x 10” @ 300ppi

TEST IN PROGRESS

Replacement Log      
Tank replaced during printing? Used at end of printing Totals %
Yellow Yes x 2 = 200% 0% 200%
Photo Magenta No 92% 92%
Red Yes x 1 = 100% 12% 112%
Chroma Optimizer No 32% 32%
Magenta No 72% 72%
Matte Black Yes x 1 = 100% 92% 192%
Photo Black No 32% 32%
Gray Yes x 1 = 100% 42% 142%
Cyan No 100% 100%
Photo Cyan No 62% 62%
1036%

TOTAL 1036 or the equivalent of 10.36 Canon PRO-300 ink cartridges for 200 prints 8x10 prints.

Discussion - You will notice Photo Black ink and Chroma Optimizer usage at almost 30% over the course of the test. Since we know photo black is not used when printing on matte papers, we attribute the usage to automatic head cleaning cycles that affect all ink channels.